Slide 4.25 cm with Spanish materials Suitable for small spaces and suitable for recurring roles Anti-dust, rain and sound and a screen for lighting with small ventilation holes

Slide 5.5 cm Spanish materials suitable for large openings for widths greater than 2.80 m...

NGSS chip 5cm Protection against theft and breakage Made of zinc, iron and aluminum with wide ventilation and lighting...

Zinconium 5 cm against theft and breakage suitable for openings with a width greater than 3 m